pincushion-mcp@1.11.25
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AI Security Review
scanned 1mo ago · by lpm-firewall-aiThe source establishes an explicit user-command path that changes AI-agent configuration. It does not establish lifecycle abuse, credential theft, destructive behavior, or covert persistence.
Static reason
High-risk behavior combination matched malicious policy.; previous stored version diff introduced dangerous source
Trigger
A user runs the interactive setup command and selects an editor.
Impact
Later editor sessions may automatically launch the package MCP server for that project.
Mechanism
The setup flow passes the selected editor to the MCP configuration writer, which creates or updates the package entry.
AI rationale
The source establishes an explicit user-command path that changes AI-agent configuration. It does not establish lifecycle abuse, credential theft, destructive behavior, or covert persistence.
Evidence
lib/setup-core.jssetup.mjs.codex/config.toml.cursor/mcp.json.vscode/mcp.json.mcp.json
Decision evidence
public snapshotAI called this Suspicious at 91.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The interactive setup wizard asks the user to select an editor before configuration is written.
- The setup core provides a writer that can add the package's MCP server to editor configuration.
- The package has a command-line server entrypoint and no install lifecycle hook in its manifest excerpt.
Evidence against
- The editor choice is explicit and may be skipped.
- Configuration is described and implemented as project-local and scoped to the package entry.
- Telemetry hashes the license key before using it as an identifier.
Behavioral surface
ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsTelemetryUrlStrings
NoLicense
Source & flagged code
11 flaggedmobile-wall.mjsView file
17// injectable so both modes are testable without a simulator.
L18: import { execFileSync } from 'node:child_process';
L19: import {
High
mobile-wall.mjs#virtual:normalized:round1View file
121function publicUrlFrom(text) {
L122: const m = /(https?:\/\/[^\s"'<>]+)/.exec(String(text || ''));\n return m ? m[1].replace(/[),.;]+$/, '') : '';\n}\n\nasync function fetchCloudAnnotations(ctx, { baseUrl, key, proje...
L123: }
Critical
Same File Env Network Execution
A single source file combines environment access, network access, and code or shell execution with blocking evidence.
mobile-wall.mjs#virtual:normalized:round1View on unpkg · L12117// injectable so both modes are testable without a simulator.
L18: import { execFileSync } from "node:child_process";
L19: import {
...
L32: const DEFAULT_OUT = "crit-wall";
L33: const DEFAULT_FUNCTION_BASE = "https://dpsqzszdviltqvethxbr.supabase.co/functions/v1";
L34:
...
L78: function isSignedIn() {
L79: if (process.env.PINCUSHION_LICENSE_KEY) return true;
L80: try { return !!readFileSync(join(homedir(), ".pincushion", "license-key"), "utf8").trim(); } catch { return false; }
L81: }
...
L97: const firstLine = (e) => String(e.message || e).split("\n")[0];
L98: const execErrText = (e) => [e?.stderr, e?.stdout, e?.message].filter(Boolean).join("\n");
Findings
5 Critical7 High4 Medium6 Low
CriticalSame File Env Network Executionmobile-wall.mjs#virtual:normalized:round1
CriticalCredential Exfiltrationserver.js
CriticalDownload Executemobile-wall.mjs#virtual:normalized:round1
CriticalTrigger Reachable Dangerous Capabilityserver.js
CriticalPrevious Version Dangerous Deltasetup.mjs
HighChild Processmobile-wall.mjs
HighShell
HighCommand Output Exfiltrationmobile-wall.mjs#virtual:normalized:round1
HighCopied Package Dependency Bridgelib/posthog.js
HighTrigger Reachable Credential Exfiltrationserver.js
HighTrigger Reachable Command Output Exfiltrationmobile-wall.mjs#virtual:normalized:round1
Affected versions and remediation
This report applies to pincushion-mcp@1.11.25.
See all versions of pincushion-mcp for other recorded verdicts.
- Review the evidence and your use of pincushion-mcp@1.11.25 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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